CD34 and Schnyder corneal dystrophy: Recently, Hua et al. showed a lower proportion of Lin− CD10− CD34+ CD38-\lowCD45RA- CD90+ HSCs in the CD34+ cell compartment of SCD pediatric patients, along with an increased frequency of CD34+ CD10+ lymphoid progenitor cells [121], suggesting hematopoietic defects also in the human disease.